Command Line Interface
4-146
4
• If autonegotiation is disabled, auto-MDI/MDI-X pin signal configuration will
also be disabled for the RJ-45 ports.
Example
The following example configures port 11 to use autonegotiation.
Related Commands
capabilities (4-146)
speed-duplex (4-144)
capabilities
This command advertises the port capabilities of a given interface during
autonegotiation. Use the no form with parameters to remove an advertised
capability, or the no form without parameters to restore the default values.
Syntax
[no] capabilities {10000full | 1000full | 100full | 100half | 10full | 10half |
flowcontrol | symmetric}
• 10000full - Supports 10 Gbps full-duplex operation
• 1000full - Supports 1 Gbps full-duplex operation
• 100full - Supports 100 Mbps full-duplex operation
• 100half - Supports 100 Mbps half-duplex operation
• 10full - Supports 10 Mbps full-duplex operation
• 10half - Supports 10 Mbps half-duplex operation
Default Setting
• 1000BASE-T: 10half, 10full, 100half, 100full, 1000full
• 1000BASE-SX/LX/LH: 1000full
• 10GBASE-LR: 10000full
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
When auto-negotiation is enabled with the negotiation command, the switch
will negotiate the best settings for a link based on the capabilites command.
When auto-negotiation is disabled, you must manually specify the link
attributes with the speed-duplex and flowcontrol commands.
Example
The following example configures Ethernet port 5 capabilities to 100half and 100full.
Console(config)#interface ethernet 1/11
Console(config-if)#negotiation
Console(config-if)#
Console(config)#interface ethernet 1/5
Console(config-if)#capabilities 100half
Console(config-if)#capabilities 100full
Console(config-if)#
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